MCP Server Directory

Design HTML email templates with AI: render to HTML and open them in a visual editor

Scans MCP server auth code for OAuth 2.1 anti-patterns: token passthrough, missing audience

0.3.2. Free MIT; no account, key, or payment. Verifies record, not computation. Stable error codes.

Dutyfinch Tariff Lookup dev.workers.cybermax-tools.cybermax/dutyfinch-chatgpt

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

Local code search for agents: symbols, usages, call graph, AST patterns, grep and semantic search

Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...

CorroborateMe com.cnrcode/corroborateme

Prove end users to agents and apps: login-links, OIDC clients, and API keys over remote MCP

acp-sandbox com.flo-voice1/acp-sandbox

Agentic Commerce Protocol sandbox: agent builds a cart, human approves a real PayPal payment.

Findet in Lohn- und HR-Konfigurationsdateien jede Zeile, in der ein deutscher Sozialversicherungs-We

Build and run AI workflows, apps, toolkits and knowledge bases on FlowDot from any MCP client.

70-tool MCP server for TouchDesigner: build, wire and debug live networks from an AI agent.

Tariff & HS Code Duty Finder app.openkrill/tariffs

Find an HS code, HTS code or customs code, and read the customs duty or import tax.

passalong io.github.codellyson/passalong

Hand tasks, bugs and finished work to AI coding agents, and get back a write-up with evidence.

DomainCanary com.domaincanary/mcp

Check a domain's DMARC, SPF and DKIM, build SPF records, explain bounces, read DMARC reports.

Limited local read-only MCP companion: GMC Builder MCP Lite.

Decide by policy, gate behind a human, verify by read-back, record a hash-chained ledger.

Security audit for AI agents: code, deps, exposure, secrets, drift, SBOM, and IoC.

MCP server for WoW addons: Lua API, Blizzard UI source, CVars, art lookup, linting, scaffolding.

Cobrain space.cobrain/cobrain

Shared Markdown memory for Claude, ChatGPT, Claude Code and Codex. OAuth, no API keys.

specpack io.github.THE-KIPDEV/specpack

Audit and write CLAUDE.md / AGENTS.md / Cursor rules; generate full build specs for new projects.

Journal entry testing (JET) for accounting audits. 15 screening rules, zero dependencies.

TradeAssi com.tradeassi/mcp

Crypto tools for AI agents: live market data, exchange-wide screener, backtests and paper trading.

Parallel Codex CLI workers from any MCP client: one git worktree each, state in SQLite, web board.

Iowa Code io.github.pipeworx-io/iowa-code

Iowa Code — state statutes by citation, historical edition, amendment history, and chapter/section…